<?php // $Id: filter.php,v 1.18.4.3 2007/12/25 10:03:17 skodak Exp $
	// filter.php
	// Edit text filter settings

	require_once('../config.php');
	require_once($CFG->libdir.'/adminlib.php');
	require_once($CFG->libdir.'/tablelib.php');

	$filterfull = required_param('filter', PARAM_PATH);
	$forcereset  = optional_param('reset', 0, PARAM_BOOL);

	$filtername =  substr($filterfull, strpos( $filterfull, '/' )+1 ) ;

	admin_externalpage_setup('filtersetting'.str_replace('/', '', $filterfull));

	$returnurl = "$CFG->wwwroot/$CFG->admin/settings.php?section=managefilters";


	// get translated strings for use on page
	$txt = new Object;
	$txt->managefilters = get_string( 'managefilters' );
	$txt->administration = get_string( 'administration' );
	$txt->configuration = get_string( 'configuration' );

	//======================
	// Process Actions
	//======================

	// if reset pressed let filter config page handle it
	if ($config = data_submitted() and !$forcereset) {

		// check session key
		if (!confirm_sesskey()) {
			 error( get_string('confirmsesskeybad', 'error' ) );
		}

		$configpath = $CFG->dirroot.'/filter/'.$filtername.'/filterconfig.php';
		if (file_exists($configpath)) {
			require_once($configpath);
			$functionname = $filtername.'_process_config';
			if (function_exists($functionname)) {
				$functionname($config);
				$saved = true;
			}
		}

		if (empty($saved)) {
			// run through submitted data
			// reject if does not start with filter_
			foreach ($config as $name => $value) {
				set_config($name, stripslashes($value));
			}
		}

		reset_text_filters_cache();

		redirect($returnurl);
		exit;
	}

	//==============================
	// Display logic
	//==============================

	$filtername = ucfirst($filtername);
	admin_externalpage_print_header();
	print_heading( $filtername );

	print_simple_box(get_string("configwarning", "admin"), "center", "50%");
	echo "<br />";

	print_simple_box_start("center",'');

	?>
	<form action="filter.php?filter=<?php echo urlencode($filterfull); ?>" method="post">
	<div style="text-align: center">
	<input type="hidden" name="sesskey" value="<?php echo sesskey(); ?>" />

	<?php include "$CFG->dirroot/$filterfull/filterconfig.html"; ?>

		<input type="submit" name="submit" value="<?php print_string('savechanges'); ?>" />
		<input type="submit" name="reset" value="<?php echo print_string('resettodefaults'); ?>" />
	</div>
	</form>

	<?php
	print_simple_box_end();

	admin_externalpage_print_footer();
?>
